Ext.define("ux.myWin",{
	extend:'Ext.window.Window',
	width:500,
	height:300,
	newTitle:'aaaa',
	newProperty:'ssss',
	setTitle:function(){
		this.title = this.newTitle;
	},
	initComponent:function(){
		this.setTitle();
		this.callParent(arguments);
	}
});